CN111351966A - Hall current sensor with dust removal function - Google Patents
Hall current sensor with dust removal function Download PDFInfo
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- CN111351966A CN111351966A CN202010290715.0A CN202010290715A CN111351966A CN 111351966 A CN111351966 A CN 111351966A CN 202010290715 A CN202010290715 A CN 202010290715A CN 111351966 A CN111351966 A CN 111351966A
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- base
- main body
- buffer
- current sensor
- dust removal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to a Hall current sensor with a dust removal function, which comprises a main body, a base, a dust removal mechanism and a buffer mechanism, the dust removal mechanism comprises a purification component, an air pump, a second pipeline and two first pipelines, the buffer mechanism comprises two first buffer components and two second buffer components, the purification component comprises an installation cylinder, a fixed sleeve and a filter screen, the first buffer component comprises a supporting sleeve, a supporting rod, a spring and an installation plate, the second buffer component comprises a sealing cylinder, a piston rod, a cleaning brush and a transmission rod, in the Hall current sensor with the dust removal function, the dust removal mechanism can remove the conductive dust on the sensor, thereby reducing the probability of the damage of the sensor, through the cushioning effect of buffer gear, reduced the impact force that the sensor received, further reduced the probability that the sensor takes place the damage.
Description
Technical Field
The invention relates to the field of Hall sensors, in particular to a Hall current sensor with a dust removal function.
Background
The hall current sensor is based on a magnetic balance type hall principle, according to the hall effect principle, current Ic is introduced from a control current end of a hall element, a magnetic field with the magnetic induction intensity of B is applied in the normal direction of the plane of the hall element, and then a potential VH is generated in the direction vertical to the current and the magnetic field (namely between hall output ends), namely the potential VH is called as a hall potential, and the magnitude of the potential VH is in direct proportion to control current I. Product of the magnetic induction B. In the formula, K is a Hall coefficient and is determined by the material of a Hall element; I. to control the current; b is magnetic induction intensity; VH is the Hall potential.
When the Hall current sensor in the prior art is used, if conductive dust in the air drops into the sensor, the sensor is short-circuited, the fault rate of the sensor is increased, and moreover, after the Hall current sensor in the prior art is installed on equipment, if the equipment vibrates excessively, the sensor is damaged, and the practicability of the sensor is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the Hall current sensor with the dust removal function is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a Hall current sensor with a dust removal function comprises a main body and a base, wherein the main body is fixedly connected with the base, the Hall current sensor also comprises a dust removal mechanism and a buffer mechanism, a cavity is arranged in the base, the dust removal mechanism is arranged in the base, and the buffer mechanism is arranged on the base;
the dust removal mechanism comprises a purification assembly, an air suction pump, a second pipeline and two first pipelines, the purification assembly is arranged on the inner wall of one side, far away from the main body, of the base, the middle of the second pipeline is connected with the purification assembly, the air suction pump is arranged in the middle of the second pipeline, the two first pipelines are respectively arranged on two sides of the main body, one ends of the two first pipelines are fixedly connected with the base, one ends of the two first pipelines are respectively communicated with two ends of the second pipeline, at least two air injection pipes are arranged on one sides, close to the main body, of the two first pipelines, and the air injection pipes are communicated with the first pipelines;
the buffer mechanism comprises two first buffer assemblies and two second buffer assemblies, the two first buffer assemblies are arranged on two sides of the base respectively, the two second buffer assemblies are arranged on two ends, close to the two first buffer assemblies, of one side, far away from the main body, of the base respectively, the first buffer assemblies correspond to the second buffer assemblies one to one, and the first buffer assemblies are connected with the second buffer assemblies.
As preferred, for the dustproof performance who improves the sensor, purify the subassembly including installation section of thick bamboo, fixed sleeve and filter screen, the one end of installation section of thick bamboo and the inner wall fixed connection of the one side of keeping away from the main part of base, the one end of installation section of thick bamboo and the outside intercommunication of base, the other end of installation section of thick bamboo and the middle part intercommunication of second pipeline, fixed sleeve and the coaxial setting of installation section of thick bamboo, fixed sleeve sets up the inside at the installation section of thick bamboo, fixed sleeve and the sealed and sliding connection of installation section of thick bamboo, the filter screen sets up the inside of the one end of keeping away from the second pipeline at fixed sleeve.
Preferably, in order to improve the sealing performance between the mounting cylinder and the fixing sleeve, the inner wall of the mounting cylinder is coated with sealing grease.
Preferably, in order to improve the stability of the installation of the fixing sleeve, the inner wall of the periphery of the installation cylinder and the outer side of the fixing sleeve are both provided with anti-skid grains.
Preferably, the filter screen is made of stainless steel in order to prolong the service life of the filter screen.
As preferred, in order to improve the damping effect of sensor, first buffering subassembly includes supporting sleeve, bracing piece, spring and mounting panel, one side fixed connection of supporting sleeve and main part, supporting sleeve and the coaxial setting of bracing piece, the bracing piece passes supporting sleeve, bracing piece and supporting sleeve sliding connection, the spring housing is established on the bracing piece, spring and supporting sleeve fixed connection are passed through to the one end that is close to the main part of bracing piece, the mounting panel sets up the one side of keeping away from the main part at the base, the bracing piece is perpendicular with the mounting panel, the one end and the mounting panel fixed connection of keeping away from the main part of bracing piece.
As preferred, in order to further improve the damping effect of sensor, the second buffering subassembly includes sealed jar, piston rod, cleaning brush and transfer line, the axis of sealed jar is perpendicular with the axis of bracing piece, one side fixed connection of keeping away from the main part of sealed jar and base, the sealed jar one end that is close to support sleeve is in encapsulated situation, piston rod and the coaxial setting of sealed jar, the one end setting of piston rod is in the inside of the other end of sealed jar, the piston rod slides and sealing connection with sealed jar, the other end and the cleaning brush fixed connection of piston rod, the cleaning brush supports with the filter screen and leans on, the other end of piston rod is articulated with the mounting panel through the transfer line.
Preferably, in order to improve the stability of the connection between the support rod and the support sleeve, a stopper is provided at one end of the support rod adjacent to the main body.
Preferably, in order to improve the smoothness of the movement of the support rod, the support rod is coated with grease.
Preferably, in order to improve the connection stability of the sealing cylinder and the piston rod, a positioning rope is arranged inside the sealing cylinder, the inner wall of one end, close to the support sleeve, of the sealing cylinder is fixedly connected with one end, close to the support sleeve, of the piston rod through the positioning rope, and the length of the positioning rope is smaller than that of the sealing cylinder.
The Hall current sensor with the dust removal function has the advantages that the dust removal mechanism can remove conductive dust on the sensor, and the probability of damage of the sensor is reduced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a Hall current sensor with a dust removal function according to the present invention;
FIG. 2 is a cross-sectional view of a Hall current sensor with a dust removal function according to the present invention;
FIG. 3 is a schematic structural diagram of a purification assembly of the Hall current sensor with dust removal function of the present invention;
FIG. 4 is a schematic structural diagram of a second buffer assembly of the Hall current sensor with dust removal function according to the present invention;
in the figure: 1. the air-jet device comprises a limiting block, 2 an air-jet pipe, 3 a main body, 4 a first pipeline, 5 a spring, 6 a support sleeve, 7 a piston rod, 8 a cleaning brush, 9 a base, 10 a transmission rod, 11 a sealing cylinder, 12 a mounting plate, 13 a support rod, 14 a second pipeline, 15 a filter screen, 16 an air suction pump, 17 an installation cylinder, 18 a fixing sleeve and 19 a positioning rope.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the hall current sensor with a dust removal function comprises a main body 3 and a base 9, wherein the main body 3 is fixedly connected with the base 9, and further comprises a dust removal mechanism and a buffer mechanism, a cavity is arranged inside the base 9, the dust removal mechanism is arranged inside the base 9, and the buffer mechanism is arranged on the base 9;
the dust removal mechanism can remove the conductive dust on the sensor, so that the probability of damage to the sensor is reduced, and moreover, the impact force on the sensor is reduced through the buffering effect of the buffering mechanism, so that the probability of damage to the sensor is further reduced;
as shown in fig. 2, the dust removing mechanism includes a purifying assembly, an air extracting pump 16, a second pipeline 14 and two first pipelines 4, the purifying assembly is disposed on an inner wall of one side of the base 9 far away from the main body 3, the middle portion of the second pipeline 14 is connected with the purifying assembly, the air extracting pump 16 is mounted in the middle portion of the second pipeline 14, the two first pipelines 4 are respectively disposed on two sides of the main body 3, one end of each of the two first pipelines 4 is fixedly connected with the base 9, one end of each of the two first pipelines 4 is respectively communicated with two ends of the second pipeline 14, at least two air injecting pipes 2 are respectively arranged on one side of each of the two first pipelines 4 close to the main body 3, and the air injecting pipes 2 are communicated with the first pipelines 4;
the air pump 16 provides power, external air is sent into the two first pipelines 4 through the second pipeline 14, the air is purified through the purification assembly, the probability that dust enters the second pipeline 14 is reduced, the dustproof performance of the sensor is improved, then the air in the first pipelines 4 is uniformly blown onto the main body 3 through the air injection pipes 2, conductive dust on the main body 3 can be removed, and the probability that the sensor is damaged is reduced;
as shown in fig. 2, the buffering mechanism includes two first buffering assemblies and two second buffering assemblies, the two first buffering assemblies are respectively disposed on two sides of the base 9, the two second buffering assemblies are respectively disposed on two ends of one side of the base 9 far away from the main body 3, the two ends are close to the two first buffering assemblies, the first buffering assemblies and the second buffering assemblies are in one-to-one correspondence, and the first buffering assemblies are connected with the second buffering assemblies;
on the equipment of operating personnel through first buffering subassembly with the sensor installation, under the cushioning effect of first buffering subassembly and second buffering subassembly to base 9, reduced the size of the impact force that transmits on base 9, reduced the vibration of base 9, improved the damping effect of sensor, reduced the probability that the sensor takes place the damage.
As shown in fig. 3, the purification assembly includes a mounting cylinder 17, a fixing sleeve 18 and a filter screen 15, one end of the mounting cylinder 17 is fixedly connected with an inner wall of one side of the base 9 far away from the main body 3, one end of the mounting cylinder 17 is communicated with the outside of the base 9, the other end of the mounting cylinder 17 is communicated with the middle of the second pipeline 14, the fixing sleeve 18 is coaxially arranged with the mounting cylinder 17, the fixing sleeve 18 is arranged inside the mounting cylinder 17, the fixing sleeve 18 is connected with the mounting cylinder 17 in a sealing and sliding manner, and the filter screen 15 is arranged inside one end of the fixing sleeve 18 far away from the second pipeline 14;
through the supporting role of an installation cylinder 17, the stability of the filter screen 15 is improved through the fixed sleeve 18, the convenience of the disassembly and the assembly of the filter screen 15 is improved through the sliding connection between the fixed sleeve 18 and the installation cylinder 17, when the second pipeline 14 is pumped, the dust in the air is purified through the filter screen 15, the probability that the dust enters the inside of the second pipeline 14 is reduced, and the dustproof performance of the sensor is improved.
Preferably, in order to improve the sealing performance between the mounting cylinder 17 and the fixing sleeve 18, the inner wall of the mounting cylinder 17 is coated with sealing grease;
the clearance between the installation cylinder 17 and the fixed sleeve 18 is reduced through the sealing grease, the probability of air leakage between the installation cylinder 17 and the fixed sleeve 18 is reduced, and the sealing performance between the installation cylinder 17 and the fixed sleeve 18 is improved.
Preferably, in order to improve the stability of the installation of the fixing sleeve 18, the inner wall of the periphery of the installation cylinder 17 and the outer side of the fixing sleeve 18 are both provided with anti-skid grains;
the friction force between the fixing sleeve 18 and the installation cylinder 17 is increased through the anti-skid lines, and the firmness of the fixing sleeve 18 in the installation inside the installation cylinder 17 is improved.
Preferably, in order to prolong the service life of the filter screen 15, the filter screen 15 is made of stainless steel;
because the stainless steel has better corrosion resistance, the corrosion speed of the filter screen 15 is slowed down, and the service life of the filter screen 15 is prolonged.
As shown in fig. 2, the first buffer assembly includes a support sleeve 6, a support rod 13, a spring 5 and a mounting plate 12, the support sleeve 6 is fixedly connected to one side of the main body 3, the support sleeve 6 is coaxially disposed with the support rod 13, the support rod 13 passes through the support sleeve 6, the support rod 13 is slidably connected to the support sleeve 6, the spring 5 is sleeved on the support rod 13, one end of the support rod 13 close to the main body 3 is fixedly connected to the support sleeve 6 through the spring 5, the mounting plate 12 is disposed on one side of the base 9 away from the main body 3, the support rod 13 is perpendicular to the mounting plate 12, and one end of the support rod 13 away from the main body 3 is fixedly connected to the mounting plate 12;
the operating personnel fixes mounting panel 12 on equipment, has improved the stability that bracing piece 13 and base 9 are connected through support sleeve 6, has then improved the stability of sensor installation, and when equipment took place to vibrate, equipment drive bracing piece 13 removed along support sleeve 6, then under the cushioning effect of spring 5, has reduced the impact force that base 9 received, has then reduced the vibration of base 9, has improved the damping effect of sensor.
As shown in fig. 4, the second buffer assembly includes a sealing cylinder 11, a piston rod 7, a cleaning brush 8 and a transmission rod 10, an axis of the sealing cylinder 11 is perpendicular to an axis of a support rod 13, the sealing cylinder 11 is fixedly connected with one side of the base 9 far away from the main body 3, one end of the sealing cylinder 11 close to the support sleeve 6 is in a sealed state, the piston rod 7 and the sealing cylinder 11 are coaxially arranged, one end of the piston rod 7 is arranged inside the other end of the sealing cylinder 11, the piston rod 7 is connected with the sealing cylinder 11 in a sliding and sealing manner, the other end of the piston rod 7 is fixedly connected with the cleaning brush 8, the cleaning brush 8 abuts against a filter screen 15, and the other end of the piston rod 7 is hinged to the mounting plate 12 through the transmission rod 10;
the stability of piston rod 7 has been improved through sealed jar 11, when equipment drive bracing piece 13 goes up and down along support sleeve 6, move along sealed jar 11 through bracing piece 13 drive piston rod 7, then under the effect of atmospheric pressure, the buffer function to piston rod 7 has been realized, the cushioning effect to base 9 has further been realized, the damping effect of sensor has further been improved, simultaneously when piston rod 7 removes, it cleans filter screen 15 through piston rod 7 drive cleaning brush 8, the probability that filter screen 15 takes place to block up has been reduced.
Preferably, in order to improve the stability of the connection between the support rod 13 and the support sleeve 6, a limit block 1 is arranged at one end of the support rod 13 close to the main body 3;
through the limiting effect of the limiting block 1, the probability that the support is dropped from the inside of the support sleeve 6 according to the support rod 13 is reduced, and the connection stability of the support rod 13 and the support sleeve 6 is improved.
Preferably, in order to improve the smoothness of the movement of the support rod 13, the support rod 13 is coated with grease;
the friction force between the support rod 13 and the support sleeve 6 is reduced through lubricating grease, the smoothness of the movement of the support rod 13 is improved, and the vibration reduction effect on the sensor is improved.
Preferably, in order to improve the connection stability between the sealing cylinder 11 and the piston rod 7, a positioning rope 19 is arranged inside the sealing cylinder 11, the inner wall of one end of the sealing cylinder 11 close to the support sleeve 6 is fixedly connected with one end of the piston rod 7 close to the support sleeve 6 through the positioning rope 19, and the length of the positioning rope 19 is smaller than that of the sealing cylinder 11;
through the pulling force effect of the positioning rope 19 on the piston rod 7, the probability that the piston rod 7 falls off from the inside of the sealing cylinder 11 is reduced, and the connection stability of the sealing cylinder 11 and the piston rod 7 is improved.
Provide power through aspiration pump 16, send into the inside of two first pipelines 4 with the outside air through second pipeline 14, purify the air through purifying the subassembly simultaneously, the probability that the dust got into the inside of second pipeline 14 has been reduced, the dustproof performance of sensor has been improved, later through each jet-propelled pipe 2 with the inside air of first pipeline 4 evenly blow to main part 3 on, then can remove electrically conductive dust on main part 3, the probability that the sensor takes place the damage has been reduced, operating personnel is through the equipment of first buffering subassembly with the sensor installation, under the cushioning effect of first buffering subassembly and second buffering subassembly to base 9, the size of the impact force that has reduced and has transmitted on base 9, the vibration of base 9 has been reduced, the damping effect of sensor has been improved, the probability that the sensor takes place the damage has been reduced.
Compared with the prior art, this hall current sensor with dust removal function, can clear away the electrically conductive dust on the sensor through dust removal mechanism, the probability that the sensor takes place the damage has been reduced, compare with current dust removal mechanism, this dust removal mechanism passes through the dismouting between adapter sleeve 18 and the installation section of thick bamboo 17, the convenient degree of filter screen 15 dismouting has been improved, the convenient degree that filter screen 15 was maintained has been improved, moreover, buffering effect through buffer gear, the impact force that the sensor received has been reduced, the probability that the sensor takes place the damage has further been reduced, compare with current buffer gear, this buffer gear has still realized the clean function to filter screen 15, the probability that filter screen 15 takes place the jam has been reduced, the purifying effect of filter screen 15 has been improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A Hall current sensor with a dust removal function comprises a main body (3) and a base (9), wherein the main body (3) is fixedly connected with the base (9), and is characterized by further comprising a dust removal mechanism and a buffer mechanism, wherein a cavity is arranged inside the base (9), the dust removal mechanism is arranged inside the base (9), and the buffer mechanism is arranged on the base (9);
the dust removal mechanism comprises a purification assembly, an air suction pump (16), a second pipeline (14) and two first pipelines (4), the purification assembly is arranged on the inner wall of one side, far away from the main body (3), of the base (9), the middle of the second pipeline (14) is connected with the purification assembly, the air suction pump (16) is installed in the middle of the second pipeline (14), the two first pipelines (4) are respectively arranged on two sides of the main body (3), one ends of the two first pipelines (4) are fixedly connected with the base (9), one ends of the two first pipelines (4) are respectively communicated with two ends of the second pipeline (14), at least two air injection pipes (2) are respectively arranged on one side, close to the main body (3), of the two first pipelines (4), and the air expansion pipes are communicated with the first pipelines (4);
the buffer mechanism comprises two first buffer assemblies and two second buffer assemblies, the two first buffer assemblies are arranged on two sides of the base (9) respectively, the two second buffer assemblies are arranged on two ends, close to the two first buffer assemblies, of one side, far away from the main body (3), of the base (9) respectively, the first buffer assemblies correspond to the second buffer assemblies one to one, and the first buffer assemblies are connected with the second buffer assemblies.
2. The hall current sensor with the dust removing function according to claim 1, wherein the purifying assembly comprises a mounting cylinder (17), a fixing sleeve (18) and a filter screen (15), one end of the mounting cylinder (17) is fixedly connected with the inner wall of the side of the base (9) far away from the main body (3), one end of the mounting cylinder (17) is communicated with the outside of the base (9), the other end of the mounting cylinder (17) is communicated with the middle of the second pipeline (14), the fixing sleeve (18) is coaxially arranged with the mounting cylinder (17), the fixing sleeve (18) is arranged inside the mounting cylinder (17), the fixing sleeve (18) is hermetically and slidably connected with the mounting cylinder (17), and the filter screen (15) is arranged inside the fixing sleeve (18) far away from the end of the second pipeline (14).
3. The hall current sensor with dust removing function according to claim 2, wherein the inner wall of the mounting cylinder (17) is coated with a sealing grease.
4. The Hall current sensor with dust removing function according to claim 2, wherein the inner wall of the periphery of the mounting cylinder (17) and the outer side of the fixing sleeve (18) are provided with anti-slip threads.
5. The hall current sensor with dust removing function according to claim 2, wherein the material of the filter screen (15) is stainless steel.
6. The Hall current sensor with dust removing function according to claim 1, the first buffer component comprises a support sleeve (6), a support rod (13), a spring (5) and a mounting plate (12), the supporting sleeve (6) is fixedly connected with one side of the main body (3), the supporting sleeve (6) and the supporting rod (13) are coaxially arranged, the supporting rod (13) penetrates through the supporting sleeve (6), the supporting rod (13) is connected with the supporting sleeve (6) in a sliding way, the spring (5) is sleeved on the support rod (13), one end of the support rod (13) close to the main body (3) is fixedly connected with the support sleeve (6) through the spring (5), the mounting plate (12) is arranged on one side of the base (9) far away from the main body (3), the bracing piece (13) is perpendicular with mounting panel (12), the one end and mounting panel (12) fixed connection of keeping away from main part (3) of bracing piece (13).
7. The Hall current sensor with dust removal function according to claim 1, wherein the second buffer assembly comprises a sealing cylinder (11), a piston rod (7), a cleaning brush (8) and a transmission rod (10), the axis of the sealing cylinder (11) is perpendicular to the axis of the support rod (13), the sealing cylinder (11) is fixedly connected with one side of the base (9) far away from the main body (3), one end of the sealing cylinder (11) close to the support sleeve (6) is in a sealing state, the piston rod (7) is coaxially arranged with the sealing cylinder (11), one end of the piston rod (7) is arranged inside the other end of the sealing cylinder (11), the piston rod (7) is connected with the sealing cylinder (11) in a sliding and sealing manner, the other end of the piston rod (7) is fixedly connected with the cleaning brush (8), and the cleaning brush (8) abuts against the filter screen (15), the other end of the piston rod (7) is hinged with the mounting plate (12) through a transmission rod (10).
8. The Hall current sensor with dust removing function according to claim 6, wherein a stop block (1) is provided on one end of the support rod (13) close to the main body (3).
9. The hall current sensor with dust removal function according to claim 6, wherein the support rod (13) is coated with grease.
10. The Hall current sensor with dust removing function according to claim 7, wherein a positioning rope (19) is provided inside the sealing cylinder (11), the inner wall of the sealing cylinder (11) near one end of the support sleeve (6) is fixedly connected with one end of the piston rod (7) near the support sleeve (6) through the positioning rope (19), and the length of the positioning rope (19) is smaller than that of the sealing cylinder (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010290715.0A CN111351966A (en) | 2020-04-14 | 2020-04-14 | Hall current sensor with dust removal function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010290715.0A CN111351966A (en) | 2020-04-14 | 2020-04-14 | Hall current sensor with dust removal function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111351966A true CN111351966A (en) | 2020-06-30 |
Family
ID=71197692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010290715.0A Withdrawn CN111351966A (en) | 2020-04-14 | 2020-04-14 | Hall current sensor with dust removal function |
Country Status (1)
| Country | Link |
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| CN (1) | CN111351966A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112034234A (en) * | 2020-09-07 | 2020-12-04 | 南京宁普防雷技术有限公司 | Current sensor based on electromagnetic pulse injection |
-
2020
- 2020-04-14 CN CN202010290715.0A patent/CN111351966A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112034234A (en) * | 2020-09-07 | 2020-12-04 | 南京宁普防雷技术有限公司 | Current sensor based on electromagnetic pulse injection |
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Application publication date: 20200630 |